Semi-truck cab



FIG. 1 is a front perspective view of a semi-truck cab.

FIG. 2 is a front view of the semi-truck cab of FIG. 1.

FIG. 3 is a rear view of the semi-truck cab of FIG. 1.

FIG. 4 is a left-side view of the semi-truck cab of FIG. 1.

FIG. 5 is a right-side view of the semi-truck cab of FIG. 1; and,

FIG. 6 is a top view of the semi-truck cab of FIG. 1.

The items shown with broken lines form no part of the claimed design. 

CLAIM The ornamental design for a semi-truck cab, as shown and described. 